China D-Glucurone Factory
D-Glucurone/Glucuronolactone CAS:32449-92-6
D-Glucurone Chemical Properties
MF:C6H8O6
MW:176.12
EINECS:251-053-3
Melting point:172-175 °c(lit.)
Alpha:19 º (c=10, h2o)
Boiling point:227.71°c (rough estimate)
Density:1,76 g/cm3
Refractive index:18.5 ° (c=5, h2o)
Solubilitywater: Soluble25mg/ml, clear, colorless
Pka:11.96±0.60(predicted)
Optical activity:[α]24/D +18.8°, c = 8 in H2O
Water Solubility:SOLUBLE
D-Glucurone/Glucuronolactone CAS:32449-92-6 Specification:
Item |
Specifications |
Results |
Appearance |
White crystalline or white crytstalline powder |
Complies |
Identification |
Positive |
Positive |
Melting point |
170~176℃ |
174.2℃ |
Specific rotation |
+18.0~20.0 |
+19.2° |
Appearance of solution |
Clarity& colorless |
Conforms |
Loss on drying |
≤0.5% |
0.05% |
Residue on ignition |
≤0.1% |
0.06% |
Sulphate(SO4) |
≤1ppm |
<1ppm |
Ammonium salts(NH4) |
≤200ppm |
<200ppm |
Heavy metals |
≤10ppm |
<10ppm |
Assay |
98.5~102.0% |
100.3% |
Total plate count |
≤1000cfu/g |
<1000 cfu/g |
Yeast&Mold |
≤100cfu/g |
<100cfu/g |
E-Coli |
Negative/25g |
Negative |
Salmonelle |
Negative/375g |
Negative |
Staphylococcus aureus |
Negative/25g |
Negative |
Coliforms |
Negative/25g |
Negative |
Conclusion |
The results conforms with CP2015 standards |